Home / 117,139.39-175,719.89-38,254.03

Finding the Fourth Proportional to 117,139.39, 175,719.89 and 38,254.03

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Solution

The fourth proportional to 117,139.39, 175,719.89 and 38,254.03 is: 57,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,139.39 : 175,719.89 = 38,254.03 : x
  2. Step 2: Convert to fraction form
    117,139.39/175,719.89 = 38,254.03/x
  3. Step 3: Cross multiply
    117,139.39x = 175,719.89 × 38,254.03
  4. Step 4: Simplify right side
    117,139.39x = 6,721,993,943.66
  5. Step 5: Solve for x
    x = 6,721,993,943.66/117,139.39
  6. Step 6: Final answer
    x = 57,384.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.